Sukuna is highly sadistic and brutal, but is an excellent combatant especially due to his immense power. For this reason, he is highly dismissive of his opponents and rarely takes them seriously, even explicitly stating he would kill Satoru Gojo to his face. These brutish traits are not to be confused for stupidity, as he is highly intelligent and manipulative, as is the reason he has mastered his strength and utilizes it amazingly. This is the Shibuya Incident, where he really shows true malice